Home / 538,312,607.46-807,612,455.88-193,269,223.80

Finding the Fourth Proportional to 538,312,607.46, 807,612,455.88 and 193,269,223.80

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Solution

The fourth proportional to 538,312,607.46, 807,612,455.88 and 193,269,223.80 is: 289,955,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,312,607.46 : 807,612,455.88 = 193,269,223.80 : x
  2. Step 2: Convert to fraction form
    538,312,607.46/807,612,455.88 = 193,269,223.80/x
  3. Step 3: Cross multiply
    538,312,607.46x = 807,612,455.88 × 193,269,223.80
  4. Step 4: Simplify right side
    538,312,607.46x = 156,086,632,479,139,360
  5. Step 5: Solve for x
    x = 156,086,632,479,139,360/538,312,607.46
  6. Step 6: Final answer
    x = 289,955,372.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.